/* 流派章节的章首试听 */
button.cover-preview {
  margin-top: 8px;
  min-height: 36px;
  padding: 5px 10px;
  border: 1px solid var(--preview-line, currentColor);
  border-radius: 4px;
  background: var(--preview-bg, transparent);
  color: var(--preview-ink, inherit);
  font-family: var(--font-lcd, var(--font-mono, monospace));
  font-size: 12px;
  font-weight: 700;
  box-shadow: none;
}
button.cover-preview:hover,
button.cover-preview:focus-visible,
button.cover-preview.playing {
  border-color: var(--preview-active, currentColor);
  color: var(--preview-active, inherit);
}
button.cover-preview:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}
.cover-preview .preview-stop,
.cover-preview.playing .preview-play {
  display: none;
}
.cover-preview.playing .preview-stop {
  display: inline;
}